Support stand for flexible bags



FIG. 1 is a perspective view of a support stand for flexible bags showing my design and illustrating the stand in its normal, upright position;

FIG. 2 is a plan view of the design illustrated in FIG. 1;

FIG. 3 is a front elevational view thereof; and

FIG. 4 is a side elevational view thereof. 

The ornamental design for a support stand for flexible bags, as shown and described. 